From owner-freebsd-hackers@FreeBSD.ORG Mon Sep 23 21:24:49 2013 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id A224EC85; Mon, 23 Sep 2013 21:24:49 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-wg0-x236.google.com (mail-wg0-x236.google.com [IPv6:2a00:1450:400c:c00::236]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 16C672AD4; Mon, 23 Sep 2013 21:24:48 +0000 (UTC) Received: by mail-wg0-f54.google.com with SMTP id m15so3612695wgh.21 for ; Mon, 23 Sep 2013 14:24:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=MW0Od4HXzn+UXCNAJvj90awziJwZGR0O4HGWnNXpEYI=; b=nF0AotuLglv0ZwryHJJltnx/LYTh5Spj/EdMhFiJk+PrUfZN9r2Y61dXn7dsaMkDyJ tEEnf/Of0yC+B80ETYL/zTi3xV7oYwPtL4L0GlqUIBe3YFtmT+/kb0xzfhXW+Srz52Jx idAO6VXbmOKmtNF/AlLELsDf7R3F6XO86+G5DrtY8abxy87CzAvJAGzmwsdWU73Dg9zy zgnPQCZ0dQA3gs+W4YTU1fGj/aqORJt8JYhrIvfvsolFUoHAxiG6MKCNdV4/4ykCaSnp N0bReVsAOI4yFZ851xQK6AbCjiyRRwqGm0lrxACJdajxOaeS7f4kP6njENZaJoAnnpeV IF7g== MIME-Version: 1.0 X-Received: by 10.194.93.105 with SMTP id ct9mr19297600wjb.6.1379971487421; Mon, 23 Sep 2013 14:24:47 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.216.73.133 with HTTP; Mon, 23 Sep 2013 14:24:47 -0700 (PDT) In-Reply-To: References: <1379520488.49964.YahooMailNeo@web193502.mail.sg3.yahoo.com> <22E7E628-E997-4B64-B229-92E425D85084@f5.com> <1379649991.82562.YahooMailNeo@web193502.mail.sg3.yahoo.com> Date: Mon, 23 Sep 2013 14:24:47 -0700 X-Google-Sender-Auth: rq1IazfSjiyOg_vdiIgKTfvJr5o Message-ID: Subject: Re: About Transparent Superpages and Non-transparent superapges From: Adrian Chadd To: Sebastian Kuzminsky Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Patrick Dung , "freebsd-hackers@freebsd.org" , "ivoras@freebsd.org" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Sep 2013 21:24:49 -0000 On 20 September 2013 08:20, Sebastian Kuzminsky wrote: > It's transparent for the kernel: all of UMA and kmem_malloc()/kmem_free() > is backed by 1 gig superpages. > .. not entirely true, as I've found out at work. :( -adrian